The authors
Maria Alice Gravina - PhD in Education and Informatic. Professor at Mathematics Institut , Universidade Federal do Rio Grande do Sul, with research interest in technology role in the learning of mathematics.
Vandoir Stormowski - PhD student. Master in Mathematics Teaching. Professor at PUCRS (Pontifícia Universidade Católica do Rio Grande do Sul), with research interest in the training of mathematics teachers for the use of educational technologies.